4A0-112 Test Sample Questions & Latest 4A0-112 Learning Material

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Nokia 4A0-112 Exam Syllabus Topics:

Topic	Details
Topic 1	Static Routes: In this section, the exam focuses on Network Engineers and defines the characteristics of static routes. Candidates will learn about failure detection options associated with static routes and will also explore IPv6 static routes. Understanding these concepts is crucial for effective network management.
Topic 2	IP Routing Review: This section measures the skills of Network Engineers and covers the fundamentals of IP routing. Candidates will learn about the basics of IP routing, how to populate the routing table and the concept of Equal-Cost Multipath Routing (ECMP). The module also discusses route redistribution and filtering using policies, as well as the architecture of the Nokia 7750 SR. Additionally, candidates will understand the IP packet header format, IP addressing, and Layer-3 interfaces on a Nokia 7750 SR.
Topic 3	Interior Gateway Protocols: This section is aimed at Network Analysts and provides an overview of interior gateway protocols. Candidates will study distance vectors, link-state protocols, and the shortest path first algorithm. The module also covers link-state protocol message flooding and optimizations, which are essential for efficient routing within networks.
Topic 4	Intermediate System-to-Intermediate System Routing Protocol (IS-IS): Targeted at IS-IS Network Engineers, this section covers the basics of IS-IS. Candidates will learn about hierarchy in a multi-area IS-IS domain, IS-IS message types, adjacency formation, and database synchronization. The module also includes advertising link-state information in single-area and multi-area IS-IS networks, route leaking, summarization, and advertising external prefixes into IS-IS.

Nokia 4A0-112 Certification Exam is a computer-based exam that consists of 60 multiple-choice questions. Candidates have 90 minutes to complete the exam, and a passing score of 80% is required to achieve certification. 4A0-112 exam is administered by Pearson VUE, a global leader in computer-based testing.

Nokia 4A0-112 certification exam covers a wide range of topics related to the IS-IS routing protocol, including protocol fundamentals, implementation and configuration, routing policy, network design, and troubleshooting. 4A0-112 exam consists of 60 multiple-choice questions that must be completed within 90 minutes. To pass the exam, candidates must achieve a minimum score of 80%.

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Nokia IS-IS Routing Protocol Sample Questions (Q40-Q45):

NEW QUESTION # 40
Which of the following statements about router interfaces on a Nokia 7750 SR is FALSE?

A. They can be logical or physical.
B. The system interface exists by default.
C. They can be assigned IPv4 and/or IPv6 addresses.
D. They can be used in pairs on the same subnet for redundancy.

Answer: D

Explanation:
Typically, interfaces on a Nokia 7750 SR router are not configured in pairs on the same subnet for redundancy. Instead, redundancy is achieved through mechanisms like Virtual Router Redundancy Protocol (VRRP) or other high availability protocols, not by simply using interfaces in pairs on the same subnet.

NEW QUESTION # 41
Which of the following is NOT a function of the control plane a router?

A. To exchange signaling messages with other routers.
B. To establish routing paths to deliver packets from source to destination and to reestablish them in case of failure.
C. To utilize the forwarding tables to forward data packets towards their destination.
D. To determine the best way to forward packets.

Answer: C

Explanation:
The data plane (or forwarding plane) is responsible for actually forwarding the data packets. It uses the information stored in the forwarding table to determine how to move packets from one interface to another toward their destination.

NEW QUESTION # 42
Which of the following statements about IS-IS is FALSE?

A. In IS-IS, routers are associated with an area, not the interfaces.
B. IS-IS uses the concept of level-1 and level-2 routers to implement hierarchy.
C. A router becomes level-2 when it is associated with the backbone area.
D. A level-1 router forwards traffic to other areas through the nearest I eve I-1/1 eve I-2 router.

Answer: A

Explanation:
In IS-IS, routers are actually associated with interfaces rather than the entire router being associated with a single area. A router can have interfaces in multiple areas, and it is the interface's configuration that determines which area it belongs to.

NEW QUESTION # 43
A routing domain uses a link-state routing protocol. Which of the following would NOT be an advantage of dividing the entire routing domain into areas?

A. Detailed topology information is only shared among routers within the same area, thus reducing the complexity of the SPF calculation.
B. Route tables can be reduced by summarizing the IP prefixes advertised between areas.
C. Fewer routers are required to handle the same amount of traffic, as compared to a single-area domain.
D. Less-capable routers can be isolated from having to keep track of IP prefixes that are external to the local routing domain.

Answer: C

Explanation:
Dividing a domain into areas typically does not reduce the number of routers needed to handle traffic. It is more focused on improving scalability, reducing the size of routing tables, and limiting the scope of SPF calculations, but it doesn't inherently reduce the number of routers required.

NEW QUESTION # 44
A router running a link-state routing protocol detects that one of its neighbors is no longer connected to it. The router generates a new link-state advertisement to inform other routers of the topology change. Which of the following is NOT an action that is triggered by this event?

A. If a router receives the new link-state advertisement, it acknowledges it, stores it, and forwards it to its own neighbors.
B. If a router receives multiple copies of the new link-state advertisement, it will simply ignore all copies received after the first one.
C. Every router that receives the new link-state advertisement runs the SPF algorithm to recalculate its shortest-path tree and its forwarding database.
D. Every router that receives the new link-state advertisement updates its age field before forwarding it.

Answer: D

Explanation:
When a router receives a link-state advertisement (LSA), it does not update the age field before forwarding it. The age field in an LSA is typically updated by the originating router or during the process of forwarding the LSA within the network. Routers do not modify the age field upon receiving and forwarding an LSA.

NEW QUESTION # 45
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4A0-112 Test Sample Questions & Latest 4A0-112 Learning Material

Nokia 4A0-112 Exam Syllabus Topics:

NEW Nokia 4A0-112 DUMPS (PDF) AVAILABLE FOR INSTANT DOWNLOAD [2025]

Nokia IS-IS Routing Protocol Sample Questions (Q40-Q45):

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